Milano 0xygen Sensor

Last week my ’87 Milano failed the dyno emission test with 2.5 gpm of HC—over the 2.0 gpm limit for my 87 Milano. Mike Besic, Chicago AROC technical advisor, and renowned Bonneville World Record Holder, recommended new plugs, a new oxygen sensor and setting the timing to factory spec. The plugs and timing are no big deal, but the oxygen sensor is quite expensive.

Besides my Alfas I also own a 87 Audi 5000 turbo Quattro. From the Quattro list I read that all of the Bosch 3-wire zirconium-based sensors are functionally the same and that the cheapest Bosch 3-wire oxygen sensor is for a ’89 Ford Taurus with the 3.8L V6.

At TRAK Auto they list three oxygen sensors for that car. I bought the cheapest one with the longest leads, 16 inches, for $39. The Bosch part number for this sensor is #15953. For yucks I asked what the price was for a sensor for my Milano. It’s $274. Thus, I saved about $230.

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